148 lines
4.9 KiB
C++
148 lines
4.9 KiB
C++
// Copyright 2017 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "fxbarcode/oned/BC_OnedCode39Writer.h"
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#include <string.h>
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#include "core/fxcrt/data_vector.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace {
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TEST(OnedCode39WriterTest, SetWideNarrowRatio) {
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// Code 39 barcodes encode strings of any size into modules in a
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// unidimensional disposition.
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// Each module is either: a narrow bar, a narrow space, a wide
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// bar, or a wide space. Accepted wide-to-narrow ratios are between 2 and 3.
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// This writer in particular only takes integer ratios, so it's either 2 or 3.
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CBC_OnedCode39Writer writer;
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EXPECT_FALSE(writer.SetWideNarrowRatio(0));
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EXPECT_FALSE(writer.SetWideNarrowRatio(1));
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EXPECT_TRUE(writer.SetWideNarrowRatio(2));
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EXPECT_TRUE(writer.SetWideNarrowRatio(3));
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EXPECT_FALSE(writer.SetWideNarrowRatio(4));
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EXPECT_FALSE(writer.SetWideNarrowRatio(100));
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writer.SetWideNarrowRatio(3);
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static const char kExpected1[] =
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"# # ### ### # " // * Start
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"# ### ### # # " // P
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"# # ### # ### " // D
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"# ### ### # # " // F
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"# ### # ### # " // I
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"### # # # ### " // U
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"### ### # # # " // M
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"# # ### ### #"; // * End
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DataVector<uint8_t> encoded = writer.Encode("PDFIUM");
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ASSERT_EQ(strlen(kExpected1), encoded.size());
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for (size_t i = 0; i < strlen(kExpected1); i++)
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EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i]) << i;
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writer.SetWideNarrowRatio(2);
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static const char kExpected2[] =
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"# # ## ## # " // * Start
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"# ## ## # # " // P
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"# # ## # ## " // D
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"# ## ## # # " // F
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"# ## # ## # " // I
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"## # # # ## " // U
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"## ## # # # " // M
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"# # ## ## #"; // * End
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encoded = writer.Encode("PDFIUM");
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ASSERT_EQ(strlen(kExpected2), encoded.size());
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for (size_t i = 0; i < strlen(kExpected2); i++)
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EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i]) << i;
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}
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TEST(OnedCode39WriterTest, Encode) {
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CBC_OnedCode39Writer writer;
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static const char kExpected1[] =
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"# # ### ### # " // * Start
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"# # ### ### #"; // * End
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DataVector<uint8_t> encoded = writer.Encode("");
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ASSERT_EQ(strlen(kExpected1), encoded.size());
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for (size_t i = 0; i < strlen(kExpected1); i++)
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EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i]) << i;
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static const char kExpected2[] =
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"# # ### ### # " // * Start
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"### # # # ### " // 1
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"# ### # # ### " // 2
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"### ### # # # " // 3
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"# # ### ### #"; // * End
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encoded = writer.Encode("123");
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ASSERT_EQ(strlen(kExpected2), encoded.size());
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for (size_t i = 0; i < strlen(kExpected2); i++)
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EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i]) << i;
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static const char kExpected3[] =
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"# # ### ### # " // * Start
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"# ### ### # # " // P
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"# # ### # ### " // D
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"# ### ### # # " // F
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"# ### # ### # " // I
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"### # # # ### " // U
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"### ### # # # " // M
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"# # ### ### #"; // * End
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encoded = writer.Encode("PDFIUM");
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ASSERT_EQ(strlen(kExpected3), encoded.size());
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for (size_t i = 0; i < strlen(kExpected3); i++)
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EXPECT_EQ(kExpected3[i] != ' ', !!encoded[i]) << i;
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static const char kExpected4[] =
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"# # ### ### # " // * Start
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"### # # # ### " // A
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"# ### # ### # " // Space
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"# # # ### ### " // -
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"# # # # # " // $
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"# # # # # " // %
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"### # # ### # " // .
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"# # # # # " // /
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"# # # # # " // +
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"# ### ### # # " // Z
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"# # ### ### #"; // * End
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encoded = writer.Encode("A -$%./+Z");
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ASSERT_EQ(strlen(kExpected4), encoded.size());
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for (size_t i = 0; i < strlen(kExpected4); i++)
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EXPECT_EQ(kExpected4[i] != ' ', !!encoded[i]) << i;
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}
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TEST(OnedCode39WriterTest, Checksum) {
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CBC_OnedCode39Writer writer;
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writer.SetCalcChecksum(true);
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static const char kExpected1[] =
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"# # ### ### # " // * Start
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"### # # # ### " // 1 (1)
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"# ### # # ### " // 2 (2)
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"### ### # # # " // 3 (3)
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"# ### ### # # " // 6 (6 = (1 + 2 + 3) % 43)
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"# # ### ### #"; // * End
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DataVector<uint8_t> encoded = writer.Encode("123");
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ASSERT_EQ(strlen(kExpected1), encoded.size());
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for (size_t i = 0; i < strlen(kExpected1); i++)
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EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i]) << i;
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static const char kExpected2[] =
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"# # ### ### # " // * Start
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"# ### ### # # " // P (25)
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"# # ### # ### " // D (13)
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"# ### ### # # " // F (15)
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"# ### # ### # " // I (18)
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"### # # # ### " // U (30)
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"### ### # # # " // M (22)
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"### # # ### # " // . (37 = (25 + 13 + 15 + 18 + 30 + 22) % 43)
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"# # ### ### #"; // * End
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encoded = writer.Encode("PDFIUM");
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ASSERT_EQ(strlen(kExpected2), encoded.size());
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for (size_t i = 0; i < strlen(kExpected2); i++)
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EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i]) << i;
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}
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} // namespace
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